HelixDB
YC X25 · Active · The fastest & most scalable graph-vector database on the market
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 LanternShared: vector database, databases, open sourceInactiveAI, Data, Devtools | AI, Data, Devtools | Inactive | YCW24 |
 ParadeDBShared: databases, open source, infrastructureActiveData, Devtools | Data, Devtools | Active | YCS23 |
 EpsillaShared: databases, infrastructure, agentActiveAI, Data, Devtools | AI, Data, Devtools | Active | YCS23 |
 s2.devShared: databases, open source, infrastructureActiveAI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
 Hegel AIShared: vector database, buildingActiveAI, Data, Devtools | AI, Data, Devtools | Active | YCS23 |
 Pineconenot in a program hereShared: vector databaseElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 KeyDBShared: databases, open sourceAcquiredData, Devtools | Data, Devtools | Acquired | YCS20 |
 PlanetscaleShared: infrastructure, databaseNot statedDevtools | Devtools | Not stated | SPC2018 |
 LanceDBShared: vector database, open sourceActiveAI, Data, Devtools | AI, Data, Devtools | Active | YCW22 |
 Citus DataShared: databases, open sourceAcquiredData, Devtools | Data, Devtools | Acquired | YCS11 |
 SupabaseShared: databases, open sourceActiveData, Devtools | Data, Devtools | Active | YCS20 |
Also from X25 in AI
All of X25| Company | Category | Status |
|---|---|---|
 AttuneFaster builds, zero effort.ActiveAI, Devtools | AI, Devtools | Active |
 BlaxelThe infrastructure for autonomous agentsActiveAI, Devtools | AI, Devtools | Active |
 GolfAgentic AI Security and GovernanceActiveAI, Devtools | AI, Devtools | Active |
 Boost RoboticsRobots for the inspection and maintenance of data centersActiveAI, Devtools | AI, Devtools | Active |
 CapacitiveThe data gateway for agents.ActiveAI, Devtools | AI, Devtools | Active |
 ChironGrammarly for Math ✏️ActiveAI, Devtools | AI, Devtools | Active |
Founders
- George CurtisFounder/CEO
- Xavier CochranFounder
About HelixDB
As AI agents replace traditional software, they need a way to store, recall, and reason over contextual data. HelixDB gives them all of that in one system. We’re building the knowledge infrastructure every AI agent will depend on.
- YC batch
- X25 · Spring 2025
- Status, per YC
- Active
- Category
- AI, Data, Developer tools
- Team size
- 6
- Location
- London, England, United Kingdom
- Founded
- 2025
- Checked
- 1h ago
YC tags: Developer Tools, Open Source, Infrastructure, AI, Databases
HelixDB: questions
Which YC batch was HelixDB in?
HelixDB was in Y Combinator's Spring 2025 batch (X25).
Is HelixDB still active?
Y Combinator lists HelixDB as active.
Who founded HelixDB?
HelixDB's founders, as listed on its YC page: George Curtis (Founder/CEO), Xavier Cochran (Founder).
Where is HelixDB based?
HelixDB lists London, England, United Kingdom as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.